Pay-for-call services generate qualified leads through online advertising much like existing lead generation technologies. However, in the cost-per-call model, advertisers only pay for the leads which generate a phone call. Online advertising firms have already begun to deploy technology to many markets. Heather Lloyd-Martin of SearchEngineWatch notes:

"Ninety-eight percent of all U.S. businesses don't buy PPC yet - but they all have phones," said Dan Ballister, Vice President of Sales for FindWhat.

The call based advertising model aims to bring the volume that internet traffic provides to businesses that would otherwise not consider online advertising. In fact, it's easy to forget that most businesses still do not have a website of their own. Yet with pay-for-call technology, all businesses that generate revenue from phone calls (plumbers, painters, and even your local pizza store) can now take advantage of the internet full-scale.

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